3948140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28201}}^1$

素因数の和:28217

約数の個数: 24

約数和(自身を含む): 9475872

約数和(自身を除く): 5527732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28201, 56402, 112804, 141005, 197407, 282010, 394814, 564020, 789628, 987035, 1974070, 3948140]

約数ペア:

[(1, 3948140), (2, 1974070), (4, 987035), (5, 789628), (7, 564020), (10, 394814), (14, 282010), (20, 197407), (28, 141005), (35, 112804), (70, 56402), (140, 28201)]